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17

17 is a Fermat Prime which means that the 17-sided Regular Polygon (the Heptadecagon) is Constructible using Compass and Straightedge (as proved by Gauß ).

See also Constructible Polygon , Fermat Prime, Heptadecagon


References

Lefevre, V. ``Properties of 17.'' http://www.ens-lyon.fr/~vlefevre/d17_eng.html.

Shell Centre for Mathematical Education. ``Number 17.'' http://acorn.educ.nottingham.ac.uk/ShellCent/Number/Num17.html.




© 1996-9 Eric W. Weisstein
1999-05-25